Clarified error message
Clarified error message

* Since the file pattern matches RNG schemas as well as C sources, the error message should mention both.

wiedi/libvirt,warewolf/libvirt,olafhering/libvirt,cbosdo/libvirt,jardasgit/libvirt,bjzhang/libvirt,olafhering/libvirt,iam-TJ/libvirt,soulxu/libvirt-xuhj,foomango/libvirt,andreabolognani/libvirt,novel/fbsd-libvirt,rlaager/libvirt,amery/libvirt-vserver,dumbbell/libvirt,VenkatDatta/libvirt,eskultety/libvirt,shugaoye/libvirt,emaste/libvirt,wiedi/libvirt,datto/libvirt,shugaoye/libvirt,soulxu/libvirt-xuhj,leilihh/libvirt,sshah-solarflare/Libvirt-PCI-passthrough-,rmarwaha/libvirt,libvirt/libvirt,rmarwaha/libvirt1,datto/libvirt,usc-isi/libvirt,fabianfreyer/libvirt,zhlcindy/libvirt-1.1.4-maintain,jardasgit/libvirt,foomango/libvirt,dumbbell/libvirt,iam-TJ/libvirt,trainstack/libvirt,libvirt/libvirt,VenkatDatta/libvirt,usc-isi/libvirt,kantai/libvirt-vfork,jeckersb/libvirt,kantai/libvirt-vfork,amery/libvirt-vserver,soulxu/libvirt-xuhj,crobinso/libvirt,eskultety/libvirt,danwent/libvirt-ovs,wiedi/libvirt,shugaoye/libvirt,datto/libvirt,sshah-solarflare/Libvirt-PCI-passthrough-,zhlcindy/libvirt-1.1.4-maintain,emaste/libvirt,nertpinx/libvirt,jeckersb/libvirt,wiedi/libvirt,usc-isi/libvirt,rbu/libvirt,jeckersb/libvirt,novel/fbsd-libvirt,olafhering/libvirt,rmarwaha/libvirt1,amery/libvirt-vserver,VenkatDatta/libvirt,fabianfreyer/libvirt,soulxu/libvirt-xuhj,leilihh/libvirt,soulxu/libvirt-xuhj,trainstack/libvirt,rmarwaha/libvirt,taget/libvirt,dumbbell/libvirt,amery/libvirt-vserver,cbosdo/libvirt,siboulet/libvirt-openvz,jeckersb/libvirt,danwent/libvirt-ovs,warewolf/libvirt,warewolf/libvirt,zhlcindy/libvirt-1.1.4-maintain,rbu/libvirt,siboulet/libvirt-openvz,trainstack/libvirt,iam-TJ/libvirt,emaste/libvirt,wiedi/libvirt,taget/libvirt,shugaoye/libvirt,agx/libvirt,bjzhang/libvirt,fabianfreyer/libvirt,warewolf/libvirt,emaste/libvirt,jardasgit/libvirt,warewolf/libvirt,cbosdo/libvirt,emaste/libvirt,agx/libvirt,taget/libvirt,VenkatDatta/libvirt,wiedi/libvirt,zippy2/libvirt,rmarwaha/libvirt1,rmarwaha/libvirt,andreabolognani/libvirt,usc-isi/libvirt,rbu/libvirt,novel/fbsd-libvirt,sshah-solarflare/Libvirt-PCI-passthrough-,trainstack/libvirt,nertpinx/libvirt,emaste/libvirt,danwent/libvirt-ovs,rmarwaha/libvirt,datto/libvirt,iam-TJ/libvirt,warewolf/libvirt,nertpinx/libvirt,emaste/libvirt,danwent/libvirt-ovs,andreabolognani/libvirt,rmarwaha/libvirt1,novel/fbsd-libvirt,leilihh/libvirt,kantai/libvirt-vfork,jfehlig/libvirt,bjzhang/libvirt,rmarwaha/libvirt,jeckersb/libvirt,novel/fbsd-libvirt,rlaager/libvirt,elmarco/libvirt,leilihh/libvirt,agx/libvirt,leilihh/libvirt,jeckersb/libvirt,novel/fbsd-libvirt,dumbbell/libvirt,libvirt/libvirt,foomango/libvirt,cbosdo/libvirt,eskultety/libvirt,agx/libvirt,olafhering/libvirt,bjzhang/libvirt,iam-TJ/libvirt,wiedi/libvirt,jardasgit/libvirt,shugaoye/libvirt,jfehlig/libvirt,siboulet/libvirt-openvz,elmarco/libvirt,crobinso/libvirt,dumbbell/libvirt,zippy2/libvirt,novel/fbsd-libvirt,jeckersb/libvirt,dumbbell/libvirt,iam-TJ/libvirt,rbu/libvirt,zhlcindy/libvirt-1.1.4-maintain,amery/libvirt-vserver,kantai/libvirt-vfork,siboulet/libvirt-openvz,jfehlig/libvirt,fabianfreyer/libvirt,siboulet/libvirt-openvz,rlaager/libvirt,nertpinx/libvirt,kantai/libvirt-vfork,trainstack/libvirt,rbu/libvirt,cbosdo/libvirt,agx/libvirt,usc-isi/libvirt,iam-TJ/libvirt,VenkatDatta/libvirt,rlaager/libvirt,elmarco/libvirt,jardasgit/libvirt,rmarwaha/libvirt,trainstack/libvirt,elmarco/libvirt,crobinso/libvirt,taget/libvirt,novel/fbsd-libvirt,elmarco/libvirt,rmarwaha/libvirt1,rlaager/libvirt,rmarwaha/libvirt1,sshah-solarflare/Libvirt-PCI-passthrough-,jfehlig/libvirt,bjzhang/libvirt,crobinso/libvirt,zippy2/libvirt,eskultety/libvirt,warewolf/libvirt,foomango/libvirt,andreabolognani/libvirt,taget/libvirt,datto/libvirt,sshah-solarflare/Libvirt-PCI-passthrough-,zippy2/libvirt,nertpinx/libvirt,eskultety/libvirt,leilihh/libvirt,danwent/libvirt-ovs,zhlcindy/libvirt-1.1.4-maintain,trainstack/libvirt,novel/fbsd-libvirt,libvirt/libvirt,fabianfreyer/libvirt,foomango/libvirt,andreabolognani/libvirt